projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| bfff8b1b | 1 | /* Copyright (C) 2004-2017 Free Software Foundation, Inc. |
| 893a3511 UD |
2 | This file is part of the GNU C Library. |
| 3 | Contributed by Jakub Jelinek <jakub@redhat.com>, 2004. | |
| 4 | ||
| 5 | The GNU C Library is free software; you can redistribute it and/or | |
| 6 | modify it under the terms of the GNU Lesser General Public | |
| 7 | License as published by the Free Software Foundation; either | |
| 8 | version 2.1 of the License, or (at your option) any later version. | |
| 9 | ||
| 10 | The GNU C Library is distributed in the hope that it will be useful, | |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 13 | Lesser General Public License for more details. | |
| 14 | ||
| 15 | You should have received a copy of the GNU Lesser General Public | |
| 59ba27a6 PE |
16 | License along with the GNU C Library; if not, see |
| 17 | <http://www.gnu.org/licenses/>. */ | |
| 893a3511 UD |
18 | |
| 19 | #include <errno.h> | |
| ceaa9889 | 20 | #include <limits.h> |
| 893a3511 UD |
21 | #include <pthread.h> |
| 22 | #include <stdbool.h> | |
| 23 | #include <stdio.h> | |
| 24 | #include <stdlib.h> | |
| 25 | #include <unistd.h> | |
| 26 | ||
| 27 | pthread_cond_t cv = PTHREAD_COND_INITIALIZER; | |
| 28 | pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER; | |
| 29 | bool n, exiting; | |
| 30 | FILE *f; | |
| 31 | int count; | |
| 32 | ||
| 33 | void * | |
| 34 | tf (void *dummy) | |
| 35 | { | |
| 36 | bool loop = true; | |
| 37 | ||
| 38 | while (loop) | |
| 39 | { | |
| 40 | pthread_mutex_lock (&lock); | |
| 41 | while (n && !exiting) | |
| 42 | pthread_cond_wait (&cv, &lock); | |
| 43 | n = true; | |
| 44 | pthread_mutex_unlock (&lock); | |
| 45 | ||
| 46 | fputs (".", f); | |
| 47 | ||
| 48 | pthread_mutex_lock (&lock); | |
| 49 | n = false; | |
| 50 | if (exiting) | |
| 51 | loop = false; | |
| 52 | #ifdef UNLOCK_AFTER_BROADCAST | |
| 53 | pthread_cond_broadcast (&cv); | |
| 54 | pthread_mutex_unlock (&lock); | |
| 55 | #else | |
| 56 | pthread_mutex_unlock (&lock); | |
| 57 | pthread_cond_broadcast (&cv); | |
| 58 | #endif | |
| 59 | } | |
| 60 | ||
| 61 | return NULL; | |
| 62 | } | |
| 63 | ||
| 64 | int | |
| 65 | do_test (void) | |
| 66 | { | |
| 67 | f = fopen ("/dev/null", "w"); | |
| 68 | if (f == NULL) | |
| 69 | { | |
| 70 | printf ("couldn't open /dev/null, %m\n"); | |
| 71 | return 1; | |
| 72 | } | |
| 73 | ||
| 74 | count = sysconf (_SC_NPROCESSORS_ONLN); | |
| 75 | if (count <= 0) | |
| 76 | count = 1; | |
| 77 | count *= 4; | |
| 78 | ||
| 79 | pthread_t th[count]; | |
| 7ac88e38 DM |
80 | pthread_attr_t attr; |
| 81 | int i, ret, sz; | |
| 82 | pthread_attr_init (&attr); | |
| ceaa9889 | 83 | sz = sysconf (_SC_PAGESIZE); |
| 7ac88e38 DM |
84 | if (sz < PTHREAD_STACK_MIN) |
| 85 | sz = PTHREAD_STACK_MIN; | |
| 86 | pthread_attr_setstacksize (&attr, sz); | |
| 893a3511 | 87 | for (i = 0; i < count; ++i) |
| 7ac88e38 | 88 | if ((ret = pthread_create (&th[i], &attr, tf, NULL)) != 0) |
| 893a3511 UD |
89 | { |
| 90 | errno = ret; | |
| 91 | printf ("pthread_create %d failed: %m\n", i); | |
| 92 | return 1; | |
| 93 | } | |
| 94 | ||
| 95 | struct timespec ts = { .tv_sec = 20, .tv_nsec = 0 }; | |
| 96 | while (nanosleep (&ts, &ts) != 0); | |
| 97 | ||
| 98 | pthread_mutex_lock (&lock); | |
| 99 | exiting = true; | |
| 100 | pthread_mutex_unlock (&lock); | |
| 101 | ||
| 102 | for (i = 0; i < count; ++i) | |
| 103 | pthread_join (th[i], NULL); | |
| 104 | ||
| 105 | fclose (f); | |
| 106 | return 0; | |
| 107 | } | |
| 108 | ||
| 109 | #define TEST_FUNCTION do_test () | |
| 110 | #define TIMEOUT 40 | |
| 111 | #include "../test-skeleton.c" |